$OpenBSD: patch-include_openvpn-plugin_h_in,v 1.1 2017/05/15 14:30:56 jca Exp $

Include stddef.h for size_t.

Index: include/openvpn-plugin.h.in
--- include/openvpn-plugin.h.in.orig
+++ include/openvpn-plugin.h.in
@@ -44,6 +44,7 @@ typedef X509 openvpn_x509_cert_t;
 #endif
 
 #include <stdarg.h>
+#include <stddef.h>
 
 #ifdef __cplusplus
 extern "C" {
